Adjustable eccentric chair for brake beams



W. JANUS ADJUSIABLE ECCENTRIC CHAIR FOR BRAKE BEAMS March 29, 1927. 1,622,516

Filed Men '19. 1925 2 Sheets-Sheet l ja /[g4 x 9 I min] Wam- 2306/3507 h zllz'am Janus 1,622,516 March 29, 7- JANUS ADJUSTABLE ECCBNTRIC CHAIR FOR BRAKE BEAMS Filed May 19. 1925 2 Sheets-Sheet 2.

awjg e/anua Patented Mar. 29, 1927.

. UNITED STATES WILLIAM JANUS, OF ST. LOUIS COUNTY,

MISSOURI, ASSIGNOR TO CHICAGO RAIL- WAY EQUIPMENTCOKPANY, 91' CHICAGO, ILLINOIS, A CGR-PORATION OF ILLINOIS.

ADJUSTABLE EccENrRIC CHAIR FOR BRAKE BEAMS.

Application filed May 19, 1925. Serial no. 31,386.

This invention relates to new and useful improvements in supplemental supports for brake beams, the objects of the invention being to provide a chair adapted to be attached to a brake beam part and easily adjustable to vary in a vertical plane the points of engagement of said chair with the parts with which said chair is associated.

Further objects of the invention are to provide an eccentric member adapted to be mounted on a brake beam part and to pro vide simple means for adjustably attaching said member in position.

With these and other objects in view, my invention consists in certain novel features of construction and arrangement of parts, hereinafter more fully described and claimed, and illustrated in the accompanying drawings, in which-- Figure 1 is a cross sectional view taken transversely of the brake beam and showing the chair attached to a part thereof and slidably resting on a support bar.

Figure 2 is an enlarged view of the chair member.

Figure 3 is a view taken at right angles to Figure 2.

Figure 4 isa top plan view.

Figure 5 is a modified form showing the eccentric member mounted directly on the tension member.

Figure 6 is another modified form showing modified means for adjustably attaching the eccentric member in position.

Figure 7 shows the eccentric member applied to the brake beam strut.

Figure 8 is an end elevational view of a clamping member and showing modified means for securing the eccentric member in position. v

Figure 9 is an elevational view of the clamping member with the eccentric member attached thereto.

Figure 10 is an .elevational view of the eccentric member.

Figure 11 is a modified form of the eccen tric member showing modified means for adjust-ably supporting the same in position.

Figure 12 is a vertical cross section taken on line 1212 of Figure 11.

Figure 13 is a side eleveuoml of'a strut partly broken away and flea for strin ently aaseningtte centric member tamer.

Figure 14 is an end elevational view of the strut member with the eccentric member attached thereto.

Figure 15 is a fragmental view of a strut member and showing modified means for attaching the eccentric chair in position thereon.

Figure 16 is a vertical cross section taken on line 16-16 of Figure 15.

Figure 17 is an elevational view of an eccentric member provided with an anti-friction member.

Figure 18 is an enlarged detail view taken on line" 18'-18 of Figure 17 V Referring by numerals to the accompanying drawings, 10 indicates a part of a truck, such as a spring plank, to which is attached a support bar 11 which extends beneath a brake beam comprising a compression member 12 and a tension member 14. Clamp member 15 having a seat 16 for receiving tension member 14 is secured thereon by a suitable fastening device 17 which engages the upwardly presented spaced ends 15 of clamp member 15 and clamps the latter in position. Depending from clamp member 15 is a pair of downward extensions 18 provided with aligned apertures for receiving a pin 19. This pin passes through the aperture 2U-eccentrically disposed in a disk 21, which latter is arranged between the legs 18 and rests on support bar 11, thereby supporting the brake beam. Disk 21 is provided with a series of apertures 22 which are disposed concentrically with respect to aperture and are adapted to receive a cotter pin 24 which is adapted to be seated in apertures or seats 24*" formed in extensions 18 at points coinciding with the apertures 22.

To adjust the eccentric member 21, cotter pin 24 is withdrawn from legs 18 and eccentric member 21 is moved with the pin 19 as the axis, thereby increasing or decreasing thedis'tance between the brake beam part 14 and the support 11. When eccentric member 21 occupies the desired position, cotter pin 2 is reinserted in the extensions 18, assing through one of the apertures 22. In

this manner, the eccentric member can be readily adjusted and when so adjusted occupiesa fired psition cannot become displaced.

Depending gardens; 18 of clamp member 15 are 1y angalarlydispos ed to said clamp member in order to permit the positi on of the eccentric member 21 in alignment with the support bar 11.

In the form shown in Figure 5, an eccentric member 25 is mounted directly on the tension member 14 and is held in adjusted .member and through a pair of diametrically aligned apertures formed in collar 28 of eccentric member 28. There is a series of apertures 30 arranged in collar 28- wherein I eccentric member 28 can be angularly ad- 'justed relative to tension member 14. The

peripheral. face of member 28 carries a suitable cage 31 provided with ball bearings 32 which form an anti-friction bearing for said eccentric member. 7 a

In Figure .7, a brake beam strut member 13 is provided with a nose portion 13 in which is mounted by means of a pin 34 an eccentric chair 35. A cotter pin 36 is seated in the bifurcated terminals of nose portions 13 and engages one of the series of apertures 37 which are concentrically disposed about pin 34. V

In Figures 8 and 9, a clamp member 38 isprovided in its depending portions 39 with inwardly presented serrated faces 40 which are adapted to form interlocking engagement with serrated faces 41 eccentrica-lly disposed on chair member 42. A bolt 44 passes through apertures 39 formed in portions 39 and aperture 42 eccentrically formed in member 42 and serves to draw the cooperating serrated faces together, thereby locking eccentric member 42 against accidental displacement. WVhen it is desired to adjust member 42, the nuts on bolt 44 are loosened sufficiently to permit portions 39 to spring outwardly when member 42 ismoved about the axis of pin 44. The serrations permit more accurate adjustment of the cocentric member and serve to hold the latter securely in adjusted position. Portions 39- are preferably disposed angularly relative to clamp member 38 in order to permit eccentric member 42 to be in alignment with the'support bar 11. v

In Figures 11 and 12 an eccentric member 45 is provided with a seat 46 which is serrated transversely and is adapted to engage serrated portion 14 of tension member14 Seat 46 is preferably formed circular to facilitate the attaching of member 45 in position and a complementary member 47 having a semi-circular serrated seat is attached at one end to eccentric member 45 by a fastening device 48 and has its opposite end 47? adapted to'be clamped to extension 46 by a bolt and nut device 49. By loosening device .49, member 45 can be adjusted about the axis of the tension me-mber14? so as to regulate the distance between said tension member and the support member. V

InFigures 13 and 14 a strut member 13 has its bifurcated nose portions 13 pro-V vided with inwardly disposed serratedfaces 50 which are adapted to engage serrated faces 51 formed on an eccentric member 52. A bolt and nut fastening device 54 is used to draw the bifurcated portions 13 inwardly tosecure the serrated faces in interlocking engagen'ient with each other.

InFigures 15 and 16 a bolt or pin 55 is non-rotatably seated in the bifurcated extens sions of the strut member and is held against withdrawal by a cotter pin 56. The peripheral face of the intermediate portion of said pin is formed with longitudinally disposed serrations 57 which are adapted to be engaged by the serrated face 58 formed in a split collar 59 of an eccentric member 60. This split collar is adapted to be drawn together and interlock the serrated portions by means of afastening device 61. V

In Figures 17 and 18 an eccentric member 62 is shown provided with annular groove 64 in which is loosely disposed a resilient split ring 65 which loosely operates on said eccentric member andforms an anti-friction bearing surface for engaging the support bar 11. The ring is placed in position by spreading the'ends thereof to enable it to pass over the annular shoulders formed by V )lane the )oints of en a ement of said eccentric member with the parts with which it is associated. v V

2. A support chair adapted to be eccentrically and rotatably mounted on a brake beam part for varying in a vertical plane he distance between the operative points of said chair. 7

3. A support chair adapted to be eccentrically and rotatably mounted relative to a brake beam part for adjusting in a vertical.

plane the distance between the points of said chair and the cooperatingelements, and means for fixedly locking said chair in adjusted position. 7

4. A sunoort chair adapted to be eccentricallv and rotatably mounted relativeto ai brake beam part for adjusting in a vertical plane the distance between the points of said chair and the cooperating elements, and means engaging said eccentric chair and adapted to engage said brake beam part for fixing said chair in adjusted position.

5. A supplemental support member for brake beams adapted to be carried by a brake beam part and eccentrically and fixedly adjustable relative to said part for varying in vertical plane the distance between said brake beam part and the sup porting point of said support member.

6. A supplemental support member for brake beams comprising a clamp member adapted to be attached to a brake beam part, and a support member eccentrically carried by said clamp member and fixedly adjustable in a vertical plane for adjusting the distance between the operating points of said supplemental support.

7. A supplemental support member for brake beams comprising a clamp member adapted to be attached to a brake beam part, a support member eccentrically carried by said clamp member and fixedly adjustable in a vertical plane for adjusting the distance between the operating points of said supplemental support, and means for locking said eccentric member in adjusted position.

8. A supplemental support member for brake beams comprising two elements, one of which is adapted to be permanently fixed to a brake beam part and the other adapted to be eccentrically mounted on the first element and fixedly adjustable relative thereto.

9. A supplemental support member for brake beams comprising two elements, one of which is adapted to be permanently fixed to a brake beam part and the other adapted to be eccentrically. mounted on the first element and fixedly adjustable relative thereto, and means for interlocking said elements and fixing said eccentric element in its adjusted position.

10. A supplemental support member for brake beams adapted to be adjustably and eccentrically mounted on a brake beam part and provided with aserrated face adapted to engage a complementary stationary serrated face for locking said eccentric member in position.

11. A supplemental support member for brake beams adapted to be adjustably and ecccntrically mounted on a brake beam part,

and means for locking said eccentric member in adjusted position.

12. A brake beam support chair comprising an eccentric member adjustably mounted on a brake beam part, said member being provided with a serrated portion adapted to enter into interlocking engagement with a serrated portion fixedly arranged on said brake beam part.

13. An eccentric support chair for brake beams comprising an eccentric member adapted to slidably operate over a support bar, and means for fixedly adjusting said eccentric member on a brake beam part.

1 1. A siiipplemental brake beam support comprising a member adapted to be fixed to a brake beam part and provided with a serrated portion, and an eccentric member carried by said first member and adjustable relative thereto, said eccentric member being provided with serrated portions adapted to form interlocking engagement with the serrated portions of the first member, thereby securing said eccentric member in adjusted position.

15. In a supplemental support for brake beams, an eccentric member adapted to form a sliding support for a brake beam and fixedly adjustable to vary the inclination of said brake beam, and means for detachably mounting said eccentric member on a brake beam part.

16. In a supplemental brake beam support, the combination of a brake beam part and an eccentric element carried by said brake beam part and fixedly adjustable relative thereto to vary the inclination of said brake beam.

17. In a supplemental brake beam support, the combination of a brake beam part, an eccentric element carried by said brake beam part and fixedly adjustable relative thereto to vary the inclination of said brake beam, and means for interengaging; said eccentric element and said brake beam part, said means being operable to permit ad ustment of said eccentric member relative to said brake beam part whereby the operative points of said eccentric member can be fixedly varied in a vertical plane.

In testimony whereof I hereunto afiix my signature this 16th day of May, 1925.

WILLIAM JANUS. 

